When Zions Bancorp. in Salt Lake City decided to consolidate its seven bank charters into one, executives knew they would have to work hard to retain their most talented employees amid all the disruption.

MUFG Union Bank is counting on Wendy Breuder — a proven revenue generator — to use her considerable analytical skills to find meaningful cost savings through the consolidation and relocation of office space.

Wells Fargo, accused of ousting branch workers who struggled to reach untenable sales targets or objected to burgeoning misconduct, has rehired about 1,000 former employees as CEO Tim Sloan tries to put the scandal to rest.